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@article{DOCMA_1998__S8__a54, author = {Burago, Dmitri}, title = {Hard balls gas and {Alexandrov} spaces of curvature bounded above}, journal = {Documenta mathematica}, pages = {289--298}, publisher = {mathdoc}, volume = {ICM Berlin 1998, Vol. II}, year = {1998}, language = {en}, url = {http://geodesic.mathdoc.fr/item/DOCMA_1998__S8__a54/} }
Burago, Dmitri. Hard balls gas and Alexandrov spaces of curvature bounded above. Documenta mathematica, ICM Berlin 1998, Vol. II (1998), pp. 289-298. http://geodesic.mathdoc.fr/item/DOCMA_1998__S8__a54/